```// Turn on Developer Mode under User Settings > Appearance > Developer Mode (at the bottom) // Then open the channel you wish to delete all of the messages (could be a DM) and click the three dots on the far right. // Click "Copy ID" and paste that instead of LAST_MESSAGE_ID. // Copy / paste the below script into the JavaScript console. // Open console with Ctrl+Shift+I // If you're in a DM you will receive a 403 error for every message the other user sent (you don't have permission to delete their messages).
var before = 'LAST_MESSAGE_ID';
clearMessages = function(){
const authToken = document.body.appendChild(document.createElementiframe
).contentWindow.localStorage.token.replace(/"/g, "");
const channel = window.location.href.split('/').pop();
const baseURL = https://discordapp.com/api/channels/${channel}/messages
;
const headers = {"Authorization": authToken };
let clock = 0;
let interval = 500;
function delay(duration) {
return new Promise((resolve, reject) => {
setTimeout(() => resolve(), duration);
});
}
fetch(baseURL + '?before=' + before + '&limit=100', {headers})
.then(resp => resp.json())
.then(messages => {
return Promise.all(messages.map((message) => {
before = message.id;
return delay(clock += interval).then(() => fetch(`${baseURL}/${message.id}`, {headers, method: 'DELETE'}));
}));
}).then(() => clearMessages());
} clearMessages();```